Panics involving ppp following routing fixes

[Ruben van Staveren]

Hi Robert,

On 8 Mar 2009, at 12:24, Robert Watson wrote:

> On Sun, 8 Mar 2009, Ruben van Staveren wrote:
>
>>>> Just a minor heads up: I've merged both Kip Macy's lock order  
>>>> fixes to the kernel routing code, and the route locking and  
>>>> reference counting fixes from kern/130652 to stable/7.  These  
>>>> fixes should correct a number of reported network-related hangs.   
>>>> We might want to release a subset of these as an errata patch to  
>>>> 7.1 if they shake out well in 7-stable.
>>
>> Unfortunately these changes let my system panic during early boot,  
>> around the time when ppp/routing is started. Backing out these  
>> changes prevents the panic.
>>
>> I've filed this with some textdumps as: kern/132404: panic sleeping  
>> thread after 25th Feb src/sys/net commits
>>
>> http://www.freebsd.org/cgi/query-pr.cgi?pr=132404
>
> Hi Ruben--
>
> I've had a number of similar reports, but this one contained enough  
> information for me to (hopefully) track it down.  I've merged a fix  
> from head as r189531 that corrects lock leak in error-handling in  
> the routing socket code.  Could you let me know if that helps with  
> the problem?

Yes, Using rev 1.143.2.9 of src/sys/net/rtsock.c indeed solves the  
problem, thanks!


> Robert N M Watson
> Computer Laboratory
> University of Cambridge


Regards,
	Ruben

>